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**Shane@DBPerformance** · 03-23-2005

For part throttle daily driving back pressure helps give the feel of some low end torque, you can feel the difference between 2.5" and 3" at low throttle on a DSM. At WOT, the less exhaust the better.

03-23-2005	#5
Shane@DBPerformance formerly ecoli Join Date: Oct 2003 Location: On the dyno Posts: 4,892	Re: Back Pressure For part throttle daily driving back pressure helps give the feel of some low end torque, you can feel the difference between 2.5" and 3" at low throttle on a DSM. At WOT, the less exhaust the better. __________________ www.dbptuning.com